The AC30C2X combo offers 2-channels, each of which has a Volume control and the Top Boost channel has Treble and Bass tone controls. The amplifier features 3 x 12AX7 preamp tubes, 4 x EL84 tubes and 2 x 12" Celestion Alnico Blue speakers, providing the superb tone that the AC range has been famous for since its introduction in 1958. Also features Tremolo and Spring Reverb.